3 files changed, 33 insertions, 4 deletions

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 6906af7a8f24..6560b32f3125 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1245,6 +1245,27 @@ static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
 	return NULL;
 }
 
+static inline struct hci_conn *hci_conn_hash_lookup_role(struct hci_dev *hdev,
+							 __u8 type, __u8 role,
+							 bdaddr_t *ba)
+{
+	struct hci_conn_hash *h = &hdev->conn_hash;
+	struct hci_conn  *c;
+
+	rcu_read_lock();
+
+	list_for_each_entry_rcu(c, &h->list, list) {
+		if (c->type == type && c->role == role && !bacmp(&c->dst, ba)) {
+			rcu_read_unlock();
+			return c;
+		}
+	}
+
+	rcu_read_unlock();
+
+	return NULL;
+}
+
 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
 						       bdaddr_t *ba,
 						       __u8 ba_type)
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index 4160731dcb6e..1fc2fb03ce3f 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -3,6 +3,7 @@
 #define __NET_DST_METADATA_H 1
 
 #include <linux/skbuff.h>
+#include <net/ip.h>
 #include <net/ip_tunnels.h>
 #include <net/macsec.h>
 #include <net/dst.h>
@@ -220,9 +221,15 @@ static inline struct metadata_dst *ip_tun_rx_dst(struct sk_buff *skb,
 						 int md_size)
 {
 	const struct iphdr *iph = ip_hdr(skb);
+	struct metadata_dst *tun_dst;
+
+	tun_dst = __ip_tun_set_dst(iph->saddr, iph->daddr, iph->tos, iph->ttl,
+				   0, flags, tunnel_id, md_size);
 
-	return __ip_tun_set_dst(iph->saddr, iph->daddr, iph->tos, iph->ttl,
-				0, flags, tunnel_id, md_size);
+	if (tun_dst && (iph->frag_off & htons(IP_DF)))
+		__set_bit(IP_TUNNEL_DONT_FRAGMENT_BIT,
+			  tun_dst->u.tun_info.key.tun_flags);
+	return tun_dst;
 }
 
 static inline struct metadata_dst *__ipv6_tun_set_dst(const struct in6_addr *saddr,
diff --git a/include/net/sock.h b/include/net/sock.h
index fb13322a11fc..2e14283c5be1 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2061,6 +2061,9 @@ static inline void sk_set_socket(struct sock *sk, struct socket *sock)
 	if (sock) {
 		WRITE_ONCE(sk->sk_uid, SOCK_INODE(sock)->i_uid);
 		WRITE_ONCE(sk->sk_ino, SOCK_INODE(sock)->i_ino);
+	} else {
+		/* Note: sk_uid is unchanged. */
+		WRITE_ONCE(sk->sk_ino, 0);
 	}
 }
 
@@ -2082,8 +2085,6 @@ static inline void sock_orphan(struct sock *sk)
 	sock_set_flag(sk, SOCK_DEAD);
 	sk_set_socket(sk, NULL);
 	sk->sk_wq  = NULL;
-	/* Note: sk_uid is unchanged. */
-	WRITE_ONCE(sk->sk_ino, 0);
 	write_unlock_bh(&sk->sk_callback_lock);
 }